Affiliation: | a Second-year resident, Advanced Prosthodontics, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, Calif b Ralph & Jean Bleak Professor of Restorative Dentistry, Director, Implant Dentistry, Co-Director, Advanced Prosthodontics, Advanced Prosthodontics, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, Calif c Professor, Restorative and Prosthetic Department, College of Dentistry, The Ohio State University, Columbus, Ohio d Associate Professor, Restorative and Prosthetic Department, College of Dentistry, The Ohio State University, Columbus, Ohio |